19172940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18797}}^1$

素因数の和:18826

約数の個数: 48

約数和(自身を含む): 56845152

約数和(自身を除く): 37672212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18797, 37594, 56391, 75188, 93985, 112782, 187970, 225564, 281955, 319549, 375940, 563910, 639098, 958647, 1127820, 1278196, 1597745, 1917294, 3195490, 3834588, 4793235, 6390980, 9586470, 19172940]

約数ペア:

[(1, 19172940), (2, 9586470), (3, 6390980), (4, 4793235), (5, 3834588), (6, 3195490), (10, 1917294), (12, 1597745), (15, 1278196), (17, 1127820), (20, 958647), (30, 639098), (34, 563910), (51, 375940), (60, 319549), (68, 281955), (85, 225564), (102, 187970), (170, 112782), (204, 93985), (255, 75188), (340, 56391), (510, 37594), (1020, 18797)]